Finding the Fourth Proportional to 75,611.05, 104,343.62 and 41,622.94
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Solution
The fourth proportional to 75,611.05, 104,343.62 and 41,622.94 is: 57,439.86
Step by Step Solution
- Step 1: Write the proportion equation
75,611.05 : 104,343.62 = 41,622.94 : x - Step 2: Convert to fraction form
75,611.05/104,343.62 = 41,622.94/x - Step 3: Cross multiply
75,611.05x = 104,343.62 × 41,622.94 - Step 4: Simplify right side
75,611.05x = 4,343,087,504.81 - Step 5: Solve for x
x = 4,343,087,504.81/75,611.05 - Step 6: Final answer
x = 57,439.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.